<?php if (!defined('ABSPATH')) {
  die;
}
/**
 *
 * Field: typography
 *
 * @since 1.0.0
 * @version 1.0.0
 *
 */
if (!class_exists('CSF_Field_typography')) {
  class CSF_Field_typography extends CSF_Fields
  {

    public $chosen = false;

    public $value  = array();

    public function __construct($field, $value = '', $unique = '', $where = '', $parent = '')
    {
      parent::__construct($field, $value, $unique, $where, $parent);
    }

    public function render()
    {

      echo $this->field_before();

      $args                  = wp_parse_args($this->field, array(
        'font_family'        => true,
        'font_weight'        => true,
        'font_style'         => true,
        'font_size'          => true,
        'line_height'        => true,
        'letter_spacing'     => true,
        'text_align'         => true,
        'text_transform'     => true,
        'color'              => true,
        'chosen'             => true,
        'preview'            => true,
        'subset'             => true,
        'multi_subset'       => false,
        'extra_styles'       => false,
        'backup_font_family' => false,
        'font_variant'       => false,
        'word_spacing'       => false,
        'text_decoration'    => false,
        'custom_style'       => false,
        'compact'            => false,
        'exclude'            => '',
        'unit'               => 'px',
        'line_height_unit'   => '',
        'preview_text'       => 'The quick brown fox jumps over the lazy dog',
      ));

      if ($args['compact']) {
        $args['text_transform'] = false;
        $args['text_align']     = false;
        $args['font_size']      = false;
        $args['line_height']    = false;
        $args['letter_spacing'] = false;
        $args['preview']        = false;
        $args['color']          = false;
      }

      $default_value         = array(
        'font-family'        => '',
        'font-weight'        => '',
        'font-style'         => '',
        'font-variant'       => '',
        'font-size'          => '',
        'line-height'        => '',
        'letter-spacing'     => '',
        'word-spacing'       => '',
        'text-align'         => '',
        'text-transform'     => '',
        'text-decoration'    => '',
        'backup-font-family' => '',
        'color'              => '',
        'custom-style'       => '',
        'type'               => '',
        'subset'             => '',
        'extra-styles'       => array(),
      );

      $default_value    = (!empty($this->field['default'])) ? wp_parse_args($this->field['default'], $default_value) : $default_value;
      $this->value      = wp_parse_args($this->value, $default_value);
      $this->chosen     = $args['chosen'];
      $chosen_class     = ($this->chosen) ? ' csf--chosen' : '';
      $line_height_unit = (!empty($args['line_height_unit'])) ? $args['line_height_unit'] : $args['unit'];

      echo '<div class="csf--typography' . esc_attr($chosen_class) . '" data-depend-id="' . esc_attr($this->field['id']) . '" data-unit="' . esc_attr($args['unit']) . '" data-line-height-unit="' . esc_attr($line_height_unit) . '" data-exclude="' . esc_attr($args['exclude']) . '">';

      echo '<div class="csf--blocks csf--blocks-selects">';

      //
      // Font Family
      if (!empty($args['font_family'])) {
        echo '<div class="csf--block">';
        echo '<div class="csf--title">' . esc_html__('Font Family', 'csf') . '</div>';
        echo $this->create_select(array($this->value['font-family'] => $this->value['font-family']), 'font-family', esc_html__('Select a font', 'csf'));
        echo '</div>';
      }

      //
      // Backup Font Family
      if (!empty($args['backup_font_family'])) {
        echo '<div class="csf--block csf--block-backup-font-family hidden">';
        echo '<div class="csf--title">' . esc_html__('Backup Font Family', 'csf') . '</div>';
        echo $this->create_select(apply_filters('csf_field_typography_backup_font_family', array(
          'Arial, Helvetica, sans-serif',
          "'Arial Black', Gadget, sans-serif",
          "'Comic Sans MS', cursive, sans-serif",
          'Impact, Charcoal, sans-serif',
          "'Lucida Sans Unicode', 'Lucida Grande', sans-serif",
          'Tahoma, Geneva, sans-serif',
          "'Trebuchet MS', Helvetica, sans-serif'",
          'Verdana, Geneva, sans-serif',
          "'Courier New', Courier, monospace",
          "'Lucida Console', Monaco, monospace",
          'Georgia, serif',
          'Palatino Linotype'
        )), 'backup-font-family', esc_html__('Default', 'csf'));
        echo '</div>';
      }

      //
      // Font Style and Extra Style Select
      if (!empty($args['font_weight']) || !empty($args['font_style'])) {

        //
        // Font Style Select
        echo '<div class="csf--block csf--block-font-style hidden">';
        echo '<div class="csf--title">' . esc_html__('Font Style', 'csf') . '</div>';
        echo '<select class="csf--font-style-select" data-placeholder="Default">';
        echo '<option value="">' . (!$this->chosen ? esc_html__('Default', 'csf') : '') . '</option>';
        if (!empty($this->value['font-weight']) || !empty($this->value['font-style'])) {
          echo '<option value="' . esc_attr(strtolower($this->value['font-weight'] . $this->value['font-style'])) . '" selected></option>';
        }
        echo '</select>';
        echo '<input type="hidden" name="' . esc_attr($this->field_name('[font-weight]')) . '" class="csf--font-weight" value="' . esc_attr($this->value['font-weight']) . '" />';
        echo '<input type="hidden" name="' . esc_attr($this->field_name('[font-style]')) . '" class="csf--font-style" value="' . esc_attr($this->value['font-style']) . '" />';

        //
        // Extra Font Style Select
        if (!empty($args['extra_styles'])) {
          echo '<div class="csf--block-extra-styles hidden">';
          echo (!$this->chosen) ? '<div class="csf--title">' . esc_html__('Load Extra Styles', 'csf') . '</div>' : '';
          $placeholder = ($this->chosen) ? esc_html__('Load Extra Styles', 'csf') : esc_html__('Default', 'csf');
          echo $this->create_select($this->value['extra-styles'], 'extra-styles', $placeholder, true);
          echo '</div>';
        }

        echo '</div>';
      }

      //
      // Subset
      if (!empty($args['subset'])) {
        echo '<div class="csf--block csf--block-subset hidden">';
        echo '<div class="csf--title">' . esc_html__('Subset', 'csf') . '</div>';
        $subset = (is_array($this->value['subset'])) ? $this->value['subset'] : array_filter((array) $this->value['subset']);
        echo $this->create_select($subset, 'subset', esc_html__('Default', 'csf'), $args['multi_subset']);
        echo '</div>';
      }

      //
      // Text Align
      if (!empty($args['text_align'])) {
        echo '<div class="csf--block">';
        echo '<div class="csf--title">' . esc_html__('Text Align', 'csf') . '</div>';
        echo $this->create_select(array(
          'inherit' => esc_html__('Inherit', 'csf'),
          'left'    => esc_html__('Left', 'csf'),
          'center'  => esc_html__('Center', 'csf'),
          'right'   => esc_html__('Right', 'csf'),
          'justify' => esc_html__('Justify', 'csf'),
          'initial' => esc_html__('Initial', 'csf')
        ), 'text-align', esc_html__('Default', 'csf'));
        echo '</div>';
      }

      //
      // Font Variant
      if (!empty($args['font_variant'])) {
        echo '<div class="csf--block">';
        echo '<div class="csf--title">' . esc_html__('Font Variant', 'csf') . '</div>';
        echo $this->create_select(array(
          'normal'         => esc_html__('Normal', 'csf'),
          'small-caps'     => esc_html__('Small Caps', 'csf'),
          'all-small-caps' => esc_html__('All Small Caps', 'csf')
        ), 'font-variant', esc_html__('Default', 'csf'));
        echo '</div>';
      }

      //
      // Text Transform
      if (!empty($args['text_transform'])) {
        echo '<div class="csf--block">';
        echo '<div class="csf--title">' . esc_html__('Text Transform', 'csf') . '</div>';
        echo $this->create_select(array(
          'none'       => esc_html__('None', 'csf'),
          'capitalize' => esc_html__('Capitalize', 'csf'),
          'uppercase'  => esc_html__('Uppercase', 'csf'),
          'lowercase'  => esc_html__('Lowercase', 'csf')
        ), 'text-transform', esc_html__('Default', 'csf'));
        echo '</div>';
      }

      //
      // Text Decoration
      if (!empty($args['text_decoration'])) {
        echo '<div class="csf--block">';
        echo '<div class="csf--title">' . esc_html__('Text Decoration', 'csf') . '</div>';
        echo $this->create_select(array(
          'none'               => esc_html__('None', 'csf'),
          'underline'          => esc_html__('Solid', 'csf'),
          'underline double'   => esc_html__('Double', 'csf'),
          'underline dotted'   => esc_html__('Dotted', 'csf'),
          'underline dashed'   => esc_html__('Dashed', 'csf'),
          'underline wavy'     => esc_html__('Wavy', 'csf'),
          'underline overline' => esc_html__('Overline', 'csf'),
          'line-through'       => esc_html__('Line-through', 'csf')
        ), 'text-decoration', esc_html__('Default', 'csf'));
        echo '</div>';
      }

      echo '</div>';

      echo '<div class="csf--blocks csf--blocks-inputs">';

      //
      // Font Size
      if (!empty($args['font_size'])) {
        echo '<div class="csf--block">';
        echo '<div class="csf--title">' . esc_html__('Font Size', 'csf') . '</div>';
        echo '<div class="csf--input-wrap">';
        echo '<input type="number" name="' . esc_attr($this->field_name('[font-size]')) . '" class="csf--font-size csf--input csf-input-number" value="' . esc_attr($this->value['font-size']) . '" step="any" />';
        echo '<span class="csf--unit">' . esc_attr($args['unit']) . '</span>';
        echo '</div>';
        echo '</div>';
      }

      //
      // Line Height
      if (!empty($args['line_height'])) {
        echo '<div class="csf--block">';
        echo '<div class="csf--title">' . esc_html__('Line Height', 'csf') . '</div>';
        echo '<div class="csf--input-wrap">';
        echo '<input type="number" name="' . esc_attr($this->field_name('[line-height]')) . '" class="csf--line-height csf--input csf-input-number" value="' . esc_attr($this->value['line-height']) . '" step="any" />';
        echo '<span class="csf--unit">' . esc_attr($line_height_unit) . '</span>';
        echo '</div>';
        echo '</div>';
      }

      //
      // Letter Spacing
      if (!empty($args['letter_spacing'])) {
        echo '<div class="csf--block">';
        echo '<div class="csf--title">' . esc_html__('Letter Spacing', 'csf') . '</div>';
        echo '<div class="csf--input-wrap">';
        echo '<input type="number" name="' . esc_attr($this->field_name('[letter-spacing]')) . '" class="csf--letter-spacing csf--input csf-input-number" value="' . esc_attr($this->value['letter-spacing']) . '" step="any" />';
        echo '<span class="csf--unit">' . esc_attr($args['unit']) . '</span>';
        echo '</div>';
        echo '</div>';
      }

      //
      // Word Spacing
      if (!empty($args['word_spacing'])) {
        echo '<div class="csf--block">';
        echo '<div class="csf--title">' . esc_html__('Word Spacing', 'csf') . '</div>';
        echo '<div class="csf--input-wrap">';
        echo '<input type="number" name="' . esc_attr($this->field_name('[word-spacing]')) . '" class="csf--word-spacing csf--input csf-input-number" value="' . esc_attr($this->value['word-spacing']) . '" step="any" />';
        echo '<span class="csf--unit">' . esc_attr($args['unit']) . '</span>';
        echo '</div>';
        echo '</div>';
      }

      echo '</div>';

      //
      // Font Color
      if (!empty($args['color'])) {
        $default_color_attr = (!empty($default_value['color'])) ? ' data-default-color="' . esc_attr($default_value['color']) . '"' : '';
        echo '<div class="csf--block csf--block-font-color">';
        echo '<div class="csf--title">' . esc_html__('Font Color', 'csf') . '</div>';
        echo '<div class="csf-field-color">';
        echo '<input type="text" name="' . esc_attr($this->field_name('[color]')) . '" class="csf-color csf--color" value="' . esc_attr($this->value['color']) . '"' . $default_color_attr . ' />';
        echo '</div>';
        echo '</div>';
      }

      //
      // Custom style
      if (!empty($args['custom_style'])) {
        echo '<div class="csf--block csf--block-custom-style">';
        echo '<div class="csf--title">' . esc_html__('Custom Style', 'csf') . '</div>';
        echo '<textarea name="' . esc_attr($this->field_name('[custom-style]')) . '" class="csf--custom-style">' . esc_attr($this->value['custom-style']) . '</textarea>';
        echo '</div>';
      }

      //
      // Preview
      $always_preview = ($args['preview'] !== 'always') ? ' hidden' : '';

      if (!empty($args['preview'])) {
        echo '<div class="csf--block csf--block-preview' . esc_attr($always_preview) . '">';
        echo '<div class="csf--toggle fas fa-toggle-off"></div>';
        echo '<div class="csf--preview">' . esc_attr($args['preview_text']) . '</div>';
        echo '</div>';
      }

      echo '<input type="hidden" name="' . esc_attr($this->field_name('[type]')) . '" class="csf--type" value="' . esc_attr($this->value['type']) . '" />';
      echo '<input type="hidden" name="' . esc_attr($this->field_name('[unit]')) . '" class="csf--unit-save" value="' . esc_attr($args['unit']) . '" />';

      echo '</div>';

      echo $this->field_after();
    }

    public function create_select($options, $name, $placeholder = '', $is_multiple = false)
    {

      $multiple_name = ($is_multiple) ? '[]' : '';
      $multiple_attr = ($is_multiple) ? ' multiple data-multiple="true"' : '';
      $chosen_rtl    = ($this->chosen && is_rtl()) ? ' chosen-rtl' : '';

      $output  = '<select name="' . esc_attr($this->field_name('[' . $name . ']' . $multiple_name)) . '" class="csf--' . esc_attr($name) . esc_attr($chosen_rtl) . '" data-placeholder="' . esc_attr($placeholder) . '"' . $multiple_attr . '>';
      $output .= (!empty($placeholder)) ? '<option value="">' . esc_attr((!$this->chosen) ? $placeholder : '') . '</option>' : '';

      if (!empty($options)) {
        foreach ($options as $option_key => $option_value) {
          if ($is_multiple) {
            $selected = (in_array($option_value, $this->value[$name])) ? ' selected' : '';
            $output .= '<option value="' . esc_attr($option_value) . '"' . esc_attr($selected) . '>' . esc_attr($option_value) . '</option>';
          } else {
            $option_key = (is_numeric($option_key)) ? $option_value : $option_key;
            $selected = ($option_key === $this->value[$name]) ? ' selected' : '';
            $output .= '<option value="' . esc_attr($option_key) . '"' . esc_attr($selected) . '>' . esc_attr($option_value) . '</option>';
          }
        }
      }

      $output .= '</select>';

      return $output;
    }

    public function enqueue()
    {

      if (!wp_script_is('csf-webfontloader')) {

        CSF::include_plugin_file('fields/typography/google-fonts.php');

        wp_enqueue_script('csf-webfontloader', 'https://cdn.jsdelivr.net/npm/webfontloader@1.6.28/webfontloader.min.js', array('csf'), '1.6.28', true);

        $webfonts = array();

        $customwebfonts = apply_filters('csf_field_typography_customwebfonts', array());

        if (!empty($customwebfonts)) {
          $webfonts['custom'] = array(
            'label' => esc_html__('Custom Web Fonts', 'csf'),
            'fonts' => $customwebfonts
          );
        }

        $webfonts['safe'] = array(
          'label' => esc_html__('Safe Web Fonts', 'csf'),
          'fonts' => apply_filters(
            'csf_field_typography_safewebfonts',
            array(
              'Arial',
              'Arial Black',
              'Helvetica',
              'Times New Roman',
              'Courier New',
              'Tahoma',
              'Verdana',
              'Impact',
              'Trebuchet MS',
              'Comic Sans MS',
              'Lucida Console',
              'Lucida Sans Unicode',
              'Georgia, serif',
              'Palatino Linotype'
            )
          )
        );

        $webfonts['google'] = array(
          'label' => esc_html__('Google Web Fonts', 'csf'),
          'fonts' => apply_filters(
            'csf_field_typography_googlewebfonts',
            csf_get_google_fonts()
          )
        );

        $defaultstyles = apply_filters('csf_field_typography_defaultstyles', array('normal', 'italic', '700', '700italic'));

        $googlestyles = apply_filters('csf_field_typography_googlestyles', array(
          '100'       => 'Thin 100',
          '100italic' => 'Thin 100 Italic',
          '200'       => 'Extra-Light 200',
          '200italic' => 'Extra-Light 200 Italic',
          '300'       => 'Light 300',
          '300italic' => 'Light 300 Italic',
          'normal'    => 'Normal 400',
          'italic'    => 'Normal 400 Italic',
          '500'       => 'Medium 500',
          '500italic' => 'Medium 500 Italic',
          '600'       => 'Semi-Bold 600',
          '600italic' => 'Semi-Bold 600 Italic',
          '700'       => 'Bold 700',
          '700italic' => 'Bold 700 Italic',
          '800'       => 'Extra-Bold 800',
          '800italic' => 'Extra-Bold 800 Italic',
          '900'       => 'Black 900',
          '900italic' => 'Black 900 Italic'
        ));

        $webfonts = apply_filters('csf_field_typography_webfonts', $webfonts);

        wp_localize_script('csf', 'csf_typography_json', array(
          'webfonts'      => $webfonts,
          'defaultstyles' => $defaultstyles,
          'googlestyles'  => $googlestyles
        ));
      }
    }

    public function enqueue_google_fonts($method = 'enqueue')
    {

      $is_google = false;

      if (!empty($this->value['type'])) {
        $is_google = ($this->value['type'] === 'google') ? true : false;
      } else {
        CSF::include_plugin_file('fields/typography/google-fonts.php');
        $is_google = (array_key_exists($this->value['font-family'], csf_get_google_fonts())) ? true : false;
      }

      if ($is_google) {

        // set style
        $font_family = (!empty($this->value['font-family'])) ? $this->value['font-family'] : '';
        $font_weight = (!empty($this->value['font-weight'])) ? $this->value['font-weight'] : '';
        $font_style  = (!empty($this->value['font-style'])) ? $this->value['font-style'] : '';

        if ($font_weight || $font_style) {
          $style = $font_weight . $font_style;
          if (!empty($style)) {
            $style = ($style === 'normal') ? '400' : $style;
            CSF::$webfonts[$method][$font_family][$style] = $style;
          }
        } else {
          CSF::$webfonts[$method][$font_family] = array();
        }

        // set extra styles
        if (!empty($this->value['extra-styles'])) {
          foreach ($this->value['extra-styles'] as $extra_style) {
            if (!empty($extra_style)) {
              $extra_style = ($extra_style === 'normal') ? '400' : $extra_style;
              CSF::$webfonts[$method][$font_family][$extra_style] = $extra_style;
            }
          }
        }

        // set subsets
        if (!empty($this->value['subset'])) {
          $this->value['subset'] = (is_array($this->value['subset'])) ? $this->value['subset'] : array_filter((array) $this->value['subset']);
          foreach ($this->value['subset'] as $subset) {
            if (!empty($subset)) {
              CSF::$subsets[$subset] = $subset;
            }
          }
        }

        return true;
      }

      return false;
    }

    public function output()
    {

      $output    = '';
      $bg_image  = array();
      $important = (!empty($this->field['output_important'])) ? '!important' : '';
      $element   = (is_array($this->field['output'])) ? join(',', $this->field['output']) : $this->field['output'];

      $font_family   = (!empty($this->value['font-family'])) ? $this->value['font-family'] : '';
      $backup_family = (!empty($this->value['backup-font-family'])) ? ', ' . $this->value['backup-font-family'] : '';

      if ($font_family) {
        $output .= 'font-family:"' . $font_family . '"' . $backup_family . $important . ';';
      }

      // Common font properties
      $properties = array(
        'color',
        'font-weight',
        'font-style',
        'font-variant',
        'text-align',
        'text-transform',
        'text-decoration',
      );

      foreach ($properties as $property) {
        if (isset($this->value[$property]) && $this->value[$property] !== '') {
          $output .= $property . ':' . $this->value[$property] . $important . ';';
        }
      }

      $properties = array(
        'font-size',
        'line-height',
        'letter-spacing',
        'word-spacing',
      );

      $unit = (!empty($this->value['unit'])) ? $this->value['unit'] : 'px';
      $line_height_unit = (!empty($this->value['line_height_unit'])) ? $this->value['line_height_unit'] : $unit;

      foreach ($properties as $property) {
        if (isset($this->value[$property]) && $this->value[$property] !== '') {
          $unit = ($property === 'line-height') ? $line_height_unit : $unit;
          $output .= $property . ':' . $this->value[$property] . $unit . $important . ';';
        }
      }

      $custom_style = (!empty($this->value['custom-style'])) ? $this->value['custom-style'] : '';

      if ($output) {
        $output = $element . '{' . $output . $custom_style . '}';
      }

      $this->parent->output_css .= $output;

      return $output;
    }
  }
}
